using MiniJeuxFinal.Games.PierrePapierCiseaux.Actions;

namespace MiniJeuxFinal.Games.PierrePapierCiseaux
{
	public class PierrePapierCiseauxGame : IGame
	{
		private readonly int _totalRounds;
		private readonly IPlayer _player;
		private readonly IPlayer _computer;


		public event EventHandler<(IPlayer winner, IPlayer[] players)>? GameEnded;
		public event EventHandler<(IPlayer? winner, IPlayer[] players)>? TurnEnded;
		public event EventHandler<(string playerChoice, string computerChoice)>? TurnStarted;



		public PierrePapierCiseauxGame(int totalRound, IPlayer player, IPlayer computer)
		{			
			_totalRounds = totalRound;
			_player = player;
			_computer = computer;
		}



		public string Name => "Jeu du Pierre, Papier, Ciseaux 🧱 📄 ✂️";



		public void Start()
		{
			while (_player.Score < _totalRounds && _computer.Score < _totalRounds)
			{
				var result = Play();
				if (result != null)
					result.IncrementScore();
				
				TurnEnded?.Invoke(this, (result, [_player, _computer]));
			}

			var winner = _player.Score > _computer.Score ? _player : _computer;
			GameEnded?.Invoke(this, (winner, [_player, _computer]));
		}

		

		private IPlayer? Play()
		{
			var actionPLayer = (IActionPpc)_player.Play();
			var actionComputer = (IActionPpc)_computer.Play();
			TurnStarted?.Invoke(this, (actionPLayer.Name, actionComputer.Name));

			if (actionPLayer.ToWin(actionComputer) == actionComputer.ToWin(actionPLayer))
				return null;
			
			if (actionPLayer.ToWin(actionComputer))
				return _player;
			
			return _computer;
		}
	}
}